Other forms: extorted; extorting; extorts
To extort is to use information or the threat of violence to acquire cash or something else. Extortion is a classic shakedown, a gouge, a squeeze.
Usually it's money someone is after if they're going to extort you for it. Threats of violence and blackmail are probably the two most popular ways to extort a person. It's illegal but surprisingly common. Watch siblings play — older brothers serve no time for extortion.